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Date: Sat, 25 May 2019 07:08:26 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: Joel Fernandes <joel@...lfernandes.org> Cc: linux-kernel@...r.kernel.org, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Ingo Molnar <mingo@...hat.com>, Jonathan Corbet <corbet@....net>, Josh Triplett <josh@...htriplett.org>, kvm-ppc@...r.kernel.org, Lai Jiangshan <jiangshanlai@...il.com>, linux-doc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Michael Ellerman <mpe@...erman.id.au>, Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, "Paul E. McKenney" <paulmck@...ux.ibm.com>, Paul Mackerras <paulus@...abs.org>, rcu@...r.kernel.org Subject: Re: [PATCH RFC 0/5] Remove some notrace RCU APIs On Sat, 25 May 2019 04:14:44 -0400 Joel Fernandes <joel@...lfernandes.org> wrote: > > I guess the difference between the _raw_notrace and just _raw variants > > is that _notrace ones do a rcu_check_sparse(). Don't we want to keep > > that check? > > This is true. > > Since the users of _raw_notrace are very few, is it worth keeping this API > just for sparse checking? The API naming is also confusing. I was expecting > _raw_notrace to do fewer checks than _raw, instead of more. Honestly, I just > want to nuke _raw_notrace as done in this series and later we can introduce a > sparse checking version of _raw if need-be. The other option could be to > always do sparse checking for _raw however that used to be the case and got > changed in http://lists.infradead.org/pipermail/linux-afs/2016-July/001016.html What if we just rename _raw to _raw_nocheck, and _raw_notrace to _raw ? -- Steve
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